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Merge pull request #425
79c95c1simplewallet: bump default mixin from 3 to 4 (moneromooo-monero)ac90d48from hard fork 2, all outputs must be decomposed (moneromooo-monero)90ccad1from hard fork 2, claim a quantized reward in coinbase (moneromooo-monero)22b1570cryptonote_format_utils: add a function to tell if an amount is canonical (moneromooo-monero)
This commit is contained in:
Riccardo Spagni
commit
8169d429bf
@ -118,6 +118,7 @@ namespace config
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uint64_t const DEFAULT_FEE_ATOMIC_XMR_PER_KB = 500; // Just a placeholder! Change me!
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uint8_t const FEE_CALCULATION_MAX_RETRIES = 10;
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uint64_t const DEFAULT_DUST_THRESHOLD = ((uint64_t)10000000000); // pow(10, 10)
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uint64_t const BASE_REWARD_CLAMP_THRESHOLD = ((uint64_t)100000000); // pow(10, 8)
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std::string const P2P_REMOTE_DEBUG_TRUSTED_PUB_KEY = "0000000000000000000000000000000000000000000000000000000000000000";
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uint64_t const CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX = 18;
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@ -975,6 +975,14 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl
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return false;
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}
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}
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else
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{
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// from hard fork 2, since a miner can claim less than the full block reward, we update the base_reward
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// to show the amount of coins that were actually generated, the remainder will be pushed back for later
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// emission. This modifies the emission curve very slightly.
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CHECK_AND_ASSERT_MES(money_in_use - fee <= base_reward, false, "base reward calculation bug");
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base_reward = money_in_use - fee;
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}
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return true;
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}
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//------------------------------------------------------------------
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@ -1093,7 +1101,7 @@ bool Blockchain::create_block_template(block& b, const account_public_address& m
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block size, so first miner transaction generated with fake amount of money, and with phase we know think we know expected block size
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*/
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//make blocks coin-base tx looks close to real coinbase tx to get truthful blob size
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bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
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bool r = construct_miner_tx(height, median_size, already_generated_coins, txs_size, fee, miner_address, b.miner_tx, ex_nonce, 11, m_hardfork->get_current_version());
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CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, first chance");
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size_t cumulative_size = txs_size + get_object_blobsize(b.miner_tx);
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#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
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@ -1102,7 +1110,7 @@ bool Blockchain::create_block_template(block& b, const account_public_address& m
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#endif
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for (size_t try_count = 0; try_count != 10; ++try_count)
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{
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r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11);
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r = construct_miner_tx(height, median_size, already_generated_coins, cumulative_size, fee, miner_address, b.miner_tx, ex_nonce, 11, m_hardfork->get_current_version());
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CHECK_AND_ASSERT_MES(r, false, "Failed to construc miner tx, second chance");
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size_t coinbase_blob_size = get_object_blobsize(b.miner_tx);
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@ -1964,6 +1972,23 @@ bool Blockchain::check_tx_inputs(const transaction& tx, uint64_t& max_used_block
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return true;
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}
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//------------------------------------------------------------------
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bool Blockchain::check_tx_outputs(const transaction& tx)
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{
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LOG_PRINT_L3("Blockchain::" << __func__);
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CRITICAL_REGION_LOCAL(m_blockchain_lock);
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// from hard fork 2, we forbid dust and compound outputs
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if (m_hardfork->get_current_version() >= 2) {
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BOOST_FOREACH(auto &o, tx.vout) {
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if (!is_valid_decomposed_amount(o.amount)) {
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return false;
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}
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}
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}
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return true;
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}
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//------------------------------------------------------------------
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bool Blockchain::have_tx_keyimges_as_spent(const transaction &tx) const
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{
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LOG_PRINT_L3("Blockchain::" << __func__);
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@ -134,6 +134,7 @@ namespace cryptonote
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bool store_blockchain();
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bool check_tx_inputs(const transaction& tx, uint64_t& pmax_used_block_height, crypto::hash& max_used_block_id, bool kept_by_block = false);
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bool check_tx_outputs(const transaction& tx);
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uint64_t get_current_cumulative_blocksize_limit() const;
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bool is_storing_blockchain()const{return m_is_blockchain_storing;}
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uint64_t block_difficulty(uint64_t i) const;
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@ -40,6 +40,29 @@ using namespace epee;
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#define ENCRYPTED_PAYMENT_ID_TAIL 0x8d
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static const uint64_t valid_decomposed_outputs[] = {
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(uint64_t)1, (uint64_t)2, (uint64_t)3, (uint64_t)4, (uint64_t)5, (uint64_t)6, (uint64_t)7, (uint64_t)8, (uint64_t)9, // 1 piconero
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(uint64_t)10, (uint64_t)20, (uint64_t)30, (uint64_t)40, (uint64_t)50, (uint64_t)60, (uint64_t)70, (uint64_t)80, (uint64_t)90,
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(uint64_t)100, (uint64_t)200, (uint64_t)300, (uint64_t)400, (uint64_t)500, (uint64_t)600, (uint64_t)700, (uint64_t)800, (uint64_t)900,
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(uint64_t)1000, (uint64_t)2000, (uint64_t)3000, (uint64_t)4000, (uint64_t)5000, (uint64_t)6000, (uint64_t)7000, (uint64_t)8000, (uint64_t)9000,
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(uint64_t)10000, (uint64_t)20000, (uint64_t)30000, (uint64_t)40000, (uint64_t)50000, (uint64_t)60000, (uint64_t)70000, (uint64_t)80000, (uint64_t)90000,
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(uint64_t)100000, (uint64_t)200000, (uint64_t)300000, (uint64_t)400000, (uint64_t)500000, (uint64_t)600000, (uint64_t)700000, (uint64_t)800000, (uint64_t)900000,
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(uint64_t)1000000, (uint64_t)2000000, (uint64_t)3000000, (uint64_t)4000000, (uint64_t)5000000, (uint64_t)6000000, (uint64_t)7000000, (uint64_t)8000000, (uint64_t)9000000, // 1 micronero
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(uint64_t)10000000, (uint64_t)20000000, (uint64_t)30000000, (uint64_t)40000000, (uint64_t)50000000, (uint64_t)60000000, (uint64_t)70000000, (uint64_t)80000000, (uint64_t)90000000,
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(uint64_t)100000000, (uint64_t)200000000, (uint64_t)300000000, (uint64_t)400000000, (uint64_t)500000000, (uint64_t)600000000, (uint64_t)700000000, (uint64_t)800000000, (uint64_t)900000000,
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(uint64_t)1000000000, (uint64_t)2000000000, (uint64_t)3000000000, (uint64_t)4000000000, (uint64_t)5000000000, (uint64_t)6000000000, (uint64_t)7000000000, (uint64_t)8000000000, (uint64_t)9000000000,
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(uint64_t)10000000000, (uint64_t)20000000000, (uint64_t)30000000000, (uint64_t)40000000000, (uint64_t)50000000000, (uint64_t)60000000000, (uint64_t)70000000000, (uint64_t)80000000000, (uint64_t)90000000000,
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(uint64_t)100000000000, (uint64_t)200000000000, (uint64_t)300000000000, (uint64_t)400000000000, (uint64_t)500000000000, (uint64_t)600000000000, (uint64_t)700000000000, (uint64_t)800000000000, (uint64_t)900000000000,
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(uint64_t)1000000000000, (uint64_t)2000000000000, (uint64_t)3000000000000, (uint64_t)4000000000000, (uint64_t)5000000000000, (uint64_t)6000000000000, (uint64_t)7000000000000, (uint64_t)8000000000000, (uint64_t)9000000000000, // 1 monero
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(uint64_t)10000000000000, (uint64_t)20000000000000, (uint64_t)30000000000000, (uint64_t)40000000000000, (uint64_t)50000000000000, (uint64_t)60000000000000, (uint64_t)70000000000000, (uint64_t)80000000000000, (uint64_t)90000000000000,
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(uint64_t)100000000000000, (uint64_t)200000000000000, (uint64_t)300000000000000, (uint64_t)400000000000000, (uint64_t)500000000000000, (uint64_t)600000000000000, (uint64_t)700000000000000, (uint64_t)800000000000000, (uint64_t)900000000000000,
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(uint64_t)1000000000000000, (uint64_t)2000000000000000, (uint64_t)3000000000000000, (uint64_t)4000000000000000, (uint64_t)5000000000000000, (uint64_t)6000000000000000, (uint64_t)7000000000000000, (uint64_t)8000000000000000, (uint64_t)9000000000000000,
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(uint64_t)10000000000000000, (uint64_t)20000000000000000, (uint64_t)30000000000000000, (uint64_t)40000000000000000, (uint64_t)50000000000000000, (uint64_t)60000000000000000, (uint64_t)70000000000000000, (uint64_t)80000000000000000, (uint64_t)90000000000000000,
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(uint64_t)100000000000000000, (uint64_t)200000000000000000, (uint64_t)300000000000000000, (uint64_t)400000000000000000, (uint64_t)500000000000000000, (uint64_t)600000000000000000, (uint64_t)700000000000000000, (uint64_t)800000000000000000, (uint64_t)900000000000000000,
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(uint64_t)1000000000000000000, (uint64_t)2000000000000000000, (uint64_t)3000000000000000000, (uint64_t)4000000000000000000, (uint64_t)5000000000000000000, (uint64_t)6000000000000000000, (uint64_t)7000000000000000000, (uint64_t)8000000000000000000, (uint64_t)9000000000000000000, // 1 meganero
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(uint64_t)10000000000000000000ull
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};
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namespace cryptonote
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{
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//---------------------------------------------------------------
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@ -82,7 +105,7 @@ namespace cryptonote
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return true;
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}
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//---------------------------------------------------------------
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bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce, size_t max_outs) {
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bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce, size_t max_outs, uint8_t hard_fork_version) {
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tx.vin.clear();
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tx.vout.clear();
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tx.extra.clear();
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@ -102,6 +125,15 @@ namespace cryptonote
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LOG_PRINT_L0("Block is too big");
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return false;
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}
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// from hard fork 2, we cut out the low significant digits. This makes the tx smaller, and
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// keeps the paid amount almost the same. The unpaid remainder gets pushed back to the
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// emission schedule
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if (hard_fork_version >= 2)
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{
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block_reward = block_reward - block_reward % ::config::BASE_REWARD_CLAMP_THRESHOLD;
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}
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#if defined(DEBUG_CREATE_BLOCK_TEMPLATE)
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LOG_PRINT_L1("Creating block template: reward " << block_reward <<
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", fee " << fee)
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@ -109,7 +141,7 @@ namespace cryptonote
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block_reward += fee;
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std::vector<uint64_t> out_amounts;
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decompose_amount_into_digits(block_reward, ::config::DEFAULT_DUST_THRESHOLD,
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decompose_amount_into_digits(block_reward, hard_fork_version >= 2 ? 0 : ::config::DEFAULT_DUST_THRESHOLD,
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[&out_amounts](uint64_t a_chunk) { out_amounts.push_back(a_chunk); },
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[&out_amounts](uint64_t a_dust) { out_amounts.push_back(a_dust); });
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@ -922,4 +954,11 @@ namespace cryptonote
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return get_tx_tree_hash(txs_ids);
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}
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//---------------------------------------------------------------
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bool is_valid_decomposed_amount(uint64_t amount)
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{
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const uint64_t *begin = valid_decomposed_outputs;
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const uint64_t *end = valid_decomposed_outputs + sizeof(valid_decomposed_outputs) / sizeof(valid_decomposed_outputs[0]);
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return std::binary_search(begin, end, amount);
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}
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//---------------------------------------------------------------
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}
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@ -44,7 +44,7 @@ namespace cryptonote
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crypto::hash get_transaction_prefix_hash(const transaction_prefix& tx);
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bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx, crypto::hash& tx_hash, crypto::hash& tx_prefix_hash);
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bool parse_and_validate_tx_from_blob(const blobdata& tx_blob, transaction& tx);
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bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce = blobdata(), size_t max_outs = 1);
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bool construct_miner_tx(size_t height, size_t median_size, uint64_t already_generated_coins, size_t current_block_size, uint64_t fee, const account_public_address &miner_address, transaction& tx, const blobdata& extra_nonce = blobdata(), size_t max_outs = 1, uint8_t hard_fork_version = 1);
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bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key);
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bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key);
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@ -231,6 +231,7 @@ namespace cryptonote
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void get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes, crypto::hash& h);
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crypto::hash get_tx_tree_hash(const std::vector<crypto::hash>& tx_hashes);
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crypto::hash get_tx_tree_hash(const block& b);
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bool is_valid_decomposed_amount(uint64_t amount);
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#define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \
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CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \
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@ -125,6 +125,12 @@ namespace cryptonote
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}
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}
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if (!m_blockchain.check_tx_outputs(tx))
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{
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LOG_PRINT_L1("Transaction with id= "<< id << " has at least one invalid outout");
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tvc.m_verifivation_failed = true;
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return false;
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}
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crypto::hash max_used_block_id = null_hash;
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uint64_t max_used_block_height = 0;
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@ -74,7 +74,7 @@ typedef cryptonote::simple_wallet sw;
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unsigned int epee::g_test_dbg_lock_sleep = 0;
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#define DEFAULT_MIX 3
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#define DEFAULT_MIX 4
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namespace
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{
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@ -1143,7 +1143,7 @@ uint64_t wallet2::select_transfers(uint64_t needed_money, bool add_dust, uint64_
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const transfer_details& td = m_transfers[i];
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if (!td.m_spent && is_transfer_unlocked(td))
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{
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if (dust < td.amount())
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if (dust < td.amount() && is_valid_decomposed_amount(td.amount()))
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unused_transfers_indices.push_back(i);
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else
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unused_dust_indices.push_back(i);
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@ -1572,14 +1572,17 @@ void wallet2::transfer_selected(const std::vector<cryptonote::tx_destination_ent
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change_dts.amount = found_money - needed_money;
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}
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std::vector<cryptonote::tx_destination_entry> splitted_dsts, dust_dsts;
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uint64_t dust = 0;
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std::vector<cryptonote::tx_destination_entry> splitted_dsts;
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destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust);
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THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < dust, error::wallet_internal_error, "invalid dust value: dust = " +
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std::to_string(dust) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
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if (0 != dust && !dust_policy.add_to_fee)
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{
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splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
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destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust_dsts);
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BOOST_FOREACH(auto& d, dust_dsts) {
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THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < d.amount, error::wallet_internal_error, "invalid dust value: dust = " +
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std::to_string(d.amount) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
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}
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BOOST_FOREACH(auto& d, dust_dsts) {
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if (!dust_policy.add_to_fee)
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splitted_dsts.push_back(cryptonote::tx_destination_entry(d.amount, dust_policy.addr_for_dust));
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dust += d.amount;
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}
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crypto::secret_key tx_key;
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@ -1669,7 +1672,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
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const transfer_details& td = m_transfers[i];
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if (!td.m_spent && is_transfer_unlocked(td))
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{
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if (::config::DEFAULT_DUST_THRESHOLD <= td.amount())
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if (is_valid_decomposed_amount(td.amount()))
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unused_transfers_indices.push_back(i);
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else
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unused_dust_indices.push_back(i);
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@ -1923,11 +1926,12 @@ void wallet2::transfer_dust(size_t num_outputs, uint64_t unlock_time, uint64_t n
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if (dust_policy.dust_threshold > 0)
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money_back = money_back - money_back % dust_policy.dust_threshold;
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dsts.push_back(cryptonote::tx_destination_entry(money_back, m_account_public_address));
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uint64_t dust = 0;
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std::vector<cryptonote::tx_destination_entry> splitted_dsts;
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std::vector<cryptonote::tx_destination_entry> splitted_dsts, dust;
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destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust);
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THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < dust, error::wallet_internal_error, "invalid dust value: dust = " +
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std::to_string(dust) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
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BOOST_FOREACH(auto& d, dust) {
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THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < d.amount, error::wallet_internal_error, "invalid dust value: dust = " +
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std::to_string(d.amount) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
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}
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crypto::secret_key tx_key;
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bool r = cryptonote::construct_tx_and_get_tx_key(m_account.get_keys(), sources, splitted_dsts, extra, tx, unlock_time, tx_key);
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@ -1945,7 +1949,7 @@ void wallet2::transfer_dust(size_t num_outputs, uint64_t unlock_time, uint64_t n
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ptx.key_images = key_images;
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ptx.fee = money - money_back;
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ptx.dust = dust;
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ptx.dust = 0;
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ptx.tx = tx;
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ptx.change_dts = change_dts;
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ptx.selected_transfers = selected_transfers;
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@ -1961,7 +1965,7 @@ std::vector<wallet2::pending_tx> wallet2::create_dust_sweep_transactions()
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for (transfer_container::const_iterator i = m_transfers.begin(); i != m_transfers.end(); ++i)
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{
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const transfer_details& td = *i;
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if (!td.m_spent && td.amount() < dust_policy.dust_threshold && is_transfer_unlocked(td))
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if (!td.m_spent && (td.amount() < dust_policy.dust_threshold || !is_valid_decomposed_amount(td.amount())) && is_transfer_unlocked(td))
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{
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num_dust_outputs++;
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}
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@ -400,48 +400,36 @@ namespace tools
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//----------------------------------------------------------------------------------------------------
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inline void digit_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts,
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const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold,
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std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust)
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std::vector<cryptonote::tx_destination_entry>& splitted_dsts, std::vector<cryptonote::tx_destination_entry> &dust_dsts)
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{
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splitted_dsts.clear();
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dust = 0;
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dust_dsts.clear();
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||||
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BOOST_FOREACH(auto& de, dsts)
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{
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cryptonote::decompose_amount_into_digits(de.amount, dust_threshold,
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cryptonote::decompose_amount_into_digits(de.amount, 0,
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||||
[&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, de.addr)); },
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[&](uint64_t a_dust) { splitted_dsts.push_back(cryptonote::tx_destination_entry(a_dust, de.addr)); } );
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}
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cryptonote::decompose_amount_into_digits(change_dst.amount, dust_threshold,
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||||
[&](uint64_t chunk) { splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, change_dst.addr)); },
|
||||
[&](uint64_t a_dust) { dust = a_dust; } );
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cryptonote::decompose_amount_into_digits(change_dst.amount, 0,
|
||||
[&](uint64_t chunk) {
|
||||
if (chunk <= dust_threshold)
|
||||
dust_dsts.push_back(cryptonote::tx_destination_entry(chunk, change_dst.addr));
|
||||
else
|
||||
splitted_dsts.push_back(cryptonote::tx_destination_entry(chunk, change_dst.addr));
|
||||
},
|
||||
[&](uint64_t a_dust) { dust_dsts.push_back(cryptonote::tx_destination_entry(a_dust, change_dst.addr)); } );
|
||||
}
|
||||
//----------------------------------------------------------------------------------------------------
|
||||
inline void null_split_strategy(const std::vector<cryptonote::tx_destination_entry>& dsts,
|
||||
const cryptonote::tx_destination_entry& change_dst, uint64_t dust_threshold,
|
||||
std::vector<cryptonote::tx_destination_entry>& splitted_dsts, uint64_t& dust)
|
||||
std::vector<cryptonote::tx_destination_entry>& splitted_dsts, std::vector<cryptonote::tx_destination_entry> &dust_dsts)
|
||||
{
|
||||
splitted_dsts = dsts;
|
||||
|
||||
dust = 0;
|
||||
dust_dsts.clear();
|
||||
uint64_t change = change_dst.amount;
|
||||
if (0 < dust_threshold)
|
||||
{
|
||||
for (uint64_t order = 10; order <= 10 * dust_threshold; order *= 10)
|
||||
{
|
||||
uint64_t dust_candidate = change_dst.amount % order;
|
||||
uint64_t change_candidate = (change_dst.amount / order) * order;
|
||||
if (dust_candidate <= dust_threshold)
|
||||
{
|
||||
dust = dust_candidate;
|
||||
change = change_candidate;
|
||||
}
|
||||
else
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (0 != change)
|
||||
{
|
||||
@ -577,14 +565,17 @@ namespace tools
|
||||
change_dts.amount = found_money - needed_money;
|
||||
}
|
||||
|
||||
std::vector<cryptonote::tx_destination_entry> splitted_dsts, dust_dsts;
|
||||
uint64_t dust = 0;
|
||||
std::vector<cryptonote::tx_destination_entry> splitted_dsts;
|
||||
destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust);
|
||||
THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < dust, error::wallet_internal_error, "invalid dust value: dust = " +
|
||||
std::to_string(dust) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
|
||||
if (0 != dust && !dust_policy.add_to_fee)
|
||||
{
|
||||
splitted_dsts.push_back(cryptonote::tx_destination_entry(dust, dust_policy.addr_for_dust));
|
||||
destination_split_strategy(dsts, change_dts, dust_policy.dust_threshold, splitted_dsts, dust_dsts);
|
||||
BOOST_FOREACH(auto& d, dust_dsts) {
|
||||
THROW_WALLET_EXCEPTION_IF(dust_policy.dust_threshold < d.amount, error::wallet_internal_error, "invalid dust value: dust = " +
|
||||
std::to_string(d.amount) + ", dust_threshold = " + std::to_string(dust_policy.dust_threshold));
|
||||
}
|
||||
BOOST_FOREACH(auto& d, dust_dsts) {
|
||||
if (!dust_policy.add_to_fee)
|
||||
splitted_dsts.push_back(cryptonote::tx_destination_entry(d.amount, dust_policy.addr_for_dust));
|
||||
dust += d.amount;
|
||||
}
|
||||
|
||||
crypto::secret_key tx_key;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user